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Finding the Fourth Proportional to 15,319.53, 22,957.92 and 8,284.41

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Solution

The fourth proportional to 15,319.53, 22,957.92 and 8,284.41 is: 12,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.53 : 22,957.92 = 8,284.41 : x
  2. Step 2: Convert to fraction form
    15,319.53/22,957.92 = 8,284.41/x
  3. Step 3: Cross multiply
    15,319.53x = 22,957.92 × 8,284.41
  4. Step 4: Simplify right side
    15,319.53x = 190,192,822.03
  5. Step 5: Solve for x
    x = 190,192,822.03/15,319.53
  6. Step 6: Final answer
    x = 12,415.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.